Home / 19,412.16-26,782.56-11,964.48

Finding the Fourth Proportional to 19,412.16, 26,782.56 and 11,964.48

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Solution

The fourth proportional to 19,412.16, 26,782.56 and 11,964.48 is: 16,507.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.16 : 26,782.56 = 11,964.48 : x
  2. Step 2: Convert to fraction form
    19,412.16/26,782.56 = 11,964.48/x
  3. Step 3: Cross multiply
    19,412.16x = 26,782.56 × 11,964.48
  4. Step 4: Simplify right side
    19,412.16x = 320,439,403.47
  5. Step 5: Solve for x
    x = 320,439,403.47/19,412.16
  6. Step 6: Final answer
    x = 16,507.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.